Question

8x3y + 7x2y (3x - 4y) + 2xy (-3x2 + 47)​

Answer 1

Answer:

8x3y+7x2y(3x−4y)+2xy(−3x2+47)

Distribute:

=8x3y+(7x2y)(3x)+(7x2y)(−4y)+(2xy)(−3x2)+(2xy)(47)

=8x3y+21x3y+−28x2y2+−6x3y+94xy

Combine Like Terms:

=8x3y+21x3y+−28x2y2+−6x3y+94xy

=(8x3y+21x3y+−6x3y)+(−28x2y2)+(94xy)

=23x3y+−28x2y2+94xy

Answer:

=23x3y−28x2y2+94xy

Step-by-step explanation:

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Answer 2

Answer:

$8 {x}^{3}y + 2 {x}^{3}y - 28 {x}^{2} {y}^{2} - 6 {x}^{3} y + 8 {y}^{2} x \\ =10 {x}^{3} y - 28 {y}^{2} {x}^{2} - 6 {x}^{3} y + 8 {y}^{2} x = \\ 4 {x}^{3} y - 28 {x}^{2} {y}^{2} + 8 {y}^{2} x = \\ 4xy( {x}^{2} - 7xy + 2y)$

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